Aizawl vs Puducherry
Side-by-side air quality comparison between Aizawl and Puducherry.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Aizawl | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 12.20 |
| PM10(µg/m³) | 39.70 | 14.50 |
| NO₂(µg/m³) | 8.00 | 18.70 |
| SO₂(µg/m³) | 3.30 | 9.00 |
| O₃(µg/m³) | 48.00 | 33.00 |
| CO(µg/m³) | 254.00 | 402.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Puducherry averaged 55 — a 9-point (20%) gap, with Puducherry the more polluted and Aizawl the cleaner of the two. On 1214 days when both cities reported, Aizawl was cleaner on 793 of them; the average daily gap was 32 AQI points.
Seasonality & days
Aizawl peaks in March, while Puducherry peaks in December. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Puducherry 117 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 20 compared to Aizawl's 51.